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1. Stomach contents of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea region in 2010 and a comparison with 2003

   data suggested there had been no change in the diet of large (> 100 cm TL) D. mawsoni between the ... Abstract:  The stomach contents of 273 Dissostichus mawsoni captured by bottom longline in the ... Ross Sea region during the 2010 summer fishing season were analysed. The D. mawsoni sampled were caught ... items, of which 13 contained only digested prey, leaving 185 stomachs for analysis. The majority of ...

   Meeting Document : WG-FSA-10/22 : Автор(ы): D.W. Stevens, J. Forman and S. Hanchet (New Zealand)

2. Analysis of the sea-ice concentration (SIC) in Subarea 48.6, research blocks 2, 3, 4 and 5 with sea-surface temperature (SST) and statistical models

   Abstract:  An Analysis of the sea ice concentration (SIC) in research blocks 2,3,4, and 5 of ... , the SIC in 2019 was the highest for the last 4 years (2016-2019). For research block 5, the SIC in ... 2019 was also as high as in 2016 but around the west of block 5 the SIC in 2019 was much lower than in ... 2016. The lower SST anomalies corresponds to the higher SICs in 2019 both in research blocks 4 and 5 ...

   Meeting Document : WG-SAM-2019/15 : Автор(ы): T. Namba, R. Sarralde, H. Pehlke, K. Teschke, T. Brey, S. Hain, T. Ichii, T. Okuda, S. Somhlaba and J. Pompert

3. The Mapping Application for Penguin Populations and Projected Dynamics (MAPPPD) database: a tool for helping stakeholders monitor penguin population trends in Antarctica

   ) and the ATS's Visitor Site Guidelines. The database underlying MAPPPD includes all publicly ... Abstract:  The Mapping Application for Penguin Populations and Projected Dynamics (MAPPPD) is a ... organizations, and policymakers working to meet the management objectives as set forth by The Commission for the ... Conservation of Antarctic Marine Living Resources (CCAMLR) and other components of the Antarctic Treaty System ...

   Meeting Document : WG-EMM-2019/26 : Автор(ы): G.R.W. Humphries, P. Trathan, R. Naveen, C. Che-Castaldo and H.J. Lynch

4. Proposal for a dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru

   Japan. No krill biomass has been estimated in the Division since 1996 when Australia carried out BROKE ... . There are two main objectives of our survey: (1) estimation of krill biomass to update B 0 in the ... division and (2) oceanographic observations in the area to detect long term changes if any. Japanese ... research vessel, Kaiyo-maru, will be used in the survey. The krill survey (echosounder and RMT) and ...

   Meeting Document : WG-EMM-17/05 : Автор(ы): H. Murase, K. Abe, T. Ichii and A. Kawabata

5. Biomass results from the International Synoptic Krill Survey in Area 48, 2019

   Abstract:  Results from the International Synoptic Krill Survey in Area 48, 2019, are presented ... . This survey covered both the strata occupied during the CCAMLR 2000 acoustic survey and the strata that ... comprise the regular AMLR survey. Acoustic transects (10534 n.mi), oceanographic measurements (253 casts ... ), and trawls (164) were carried out as per survey procedures developed in 2018, which were based on the ...

   Meeting Document : SG-ASAM-2019/08 Rev. 1 : Автор(ы): G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad, B. Krafft, S. Fielding, S. Choi, S. Chung, K. Demianenko, V. Podhornyi, K. Vishnyakova, L. Pshenichnov, A. Chuklin, A. Shishman, X. Wang, X. Zhao and M. Cox

6. Report of biological observations carried out on board the krill fishing vessel More Sodruzhestva in April to August 1991

   and 35 to 36 mm made up the bulk of catches in the south-east of the subarea. No by-catch of juvenile ... Abstract:  An observation program was carried out by a biologist-observer on board the krill ... fishing vessel More Sodruzhestva in April to August 1991 in Subareas 48.2 and 48.3. The program included ... physiological status and size composition of krill and also for determining the level of by-catch of juvenile ...

   Meeting Document : WG-KRILL-92/06 : Автор(ы): V.I. Latogursky (Russia)

7. Quantifying the escape mortality of trawl caught Antarctic krill (Euphausia superba)

   Abstract:  Antarctic krill (Euphausia superba) is an abundant fishery resource, the harvest levels ... of which are expected to increase. However, many of the length classes of krill can escape through ... commonly used commercial trawl mesh sizes. A vital component of the overall management of a fishery is to ... estimate the total fishing mortality and quantify the mortality rate of individuals that escape from ...

   Meeting Document : WG-EMM-16/04 : Автор(ы): B.A. Krafft, L.A. Krag, A. Engås, S. Nordrum, I. Bruheim and B. Herrmann

8. Preliminary biomass estimation of Antarctic krill based on the swarm-based method for CCAMLR Division 58.4.1 in 2018/19 using data obtained by Japanese survey vessel Kaiyo-maru

   preliminarily estimated as 4.349 million ton (CV=54.8 %) based on the swam based method using data obtained by ... Kaiyo-maru. The point estimate was comparable with the estimate in 1996 by BROKE (4.83 million ton with ... different, (2) timing of the surveys were different (Kaiyo-maru survey commenced about 40 days earlier than ... especially in the western part of the Division. The CV of biomass estimate of Kaiyo-maru survey was high ...

   Meeting Document : SG-ASAM-2019/02 : Автор(ы): K. Abe, R. Matsukura, N. Yamamoto, K. Amakasu and H. Murase

9. Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)

   . However, no evidence to validate this assumption has previously been presented. In the current work ... Abstract:  Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea (CCAMLR sub-area 88.1 ... ) have been aged assuming that one translucent zone is formed annually in the otoliths of this species ... before recapture. The number of zones between the fluorescent oxytetracycline line and the otolith margin ...

   Meeting Document : WG-FSA-02/33 : Автор(ы): P.L. Horn, C.P. Sutton (New Zealand) and A.L. DeVries (USA)

10. Acoustic visualization of the three-dimensional prey field of foraging chinstrap penguins

    the surface distribution of penguins and krill distributed in the 30- 40 m depth layer; no spatial ... Abstract:  Predator-prey interactions play an important role in determining the dynamics of ... ecosystems. Recently, concerns have arisen due to the commercial harvesting of Euphausia superba, the ... Antarctic krill, a keystone prey species in the Southern Ocean food web. It has been difficult to evaluate ...

    Meeting Document : WG-Joint-94/12 : Автор(ы): J.E. Zamon, C.H. Greene, E. Meir, D.A. Demer, R.P. Hewitt and S. Sexton (USA)

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